public static List<string> bigSorting(List<string> unsorted)
    {
        unsorted.Sort((a,b)=>{
            if(a.Length!=b.Length) return a.Length-b.Length;
            int strLen = a.Length;
            for(int v = 0; v < strLen; v++){
                if( a[v] == b[v] ) continue;
                if( a[v] > b[v] ) return 1;
                return -1;
            }
            return 0;
        });
        return unsorted;
    }